Louisiana Coastal Wetlands Conservation and Restoration Task Force- WaterMarks
This USGS-sponsored site provides an explanation for the low oxygen conditions of the "dead zone" stemming from the Mississippi River and Gulf of Mexico watersheds. The factors that contribute to this eutrophication involve the landscape, agricultural and industrial practices, and changes in the Mississippi itself. The site features a color map of the drainage basins.
Subject: Biology:Ecology:Principles, Geoscience:Hydrology:Surface Water:Water Quality/Chemistry , Biology:Microbiology, Ecology:Habitats:Marine, Water Column Resource Type: Scientific Resources:Overview/Reference Work Grade Level: College Lower (13-14), General Public, High School (9-12), Middle (6-8) Extreme Environments: Altered by Humans, Anoxic Ocean Environments: Surface Waters, Coastal and Estuarine Topics: Hydrosphere/Cryosphere:Surface Water:Water Quality/Chemistry, Biosphere:Microbiology, Ecology:Habitats:Marine, Biosphere:Ecology:Food Webs, Habitats:Water ColumnKeyword: hypoxia
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